Area Code 410-283 located in TOWSON, BALTIMORE, MD, more detail is as below. Place NPA (Numbering Plan Area) : 410 NXX (Local Number Prefix) : 283 City : TOWSON County : BALTIMORE State : MD (Maryland) NXX Use Type : Wireless NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 24005 LATA (Local Access Transport Area) : 238 Rate Center : TOWSON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 21204 Other Information NPANXX : 410283 Switch CLLI (Common Language Location Identifier) : HNVAMDAECM0 MSA CBSA (Core Based Statistical Area) : Baltimore-Towson, MD MSA CBSA Code (Core Based Statistical Area) : 12580 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : USA MOBILITY WIRELESS, INC. OCN (Operating Company Number) : 6630 Coverage Area Name : TOWSON Latitude : 39.4039 Longitude : -76.6001 ‹ previous : 410-282 next › : 410-284 Telephone Number List 410-283-0000 ~ 410-283-9999